Review on π Accurate Speed Measurements with Extech 461920 Laser Tachometer Counter by Knate Scarpelli
Digital speed measurement for 12-18,000rpm cutters
Delivered as expected. Item received as described as advertised. It was ordered to measure the rotation speed of the router bits. Seems to have unstable RPM even with reflective tape on the 3/4" bit. It was measured at 50 mm. Let's test it with another 1.5 inch bit. It could also be operator error. The accuracy of the Extech Mini Laser Tachometer has not yet been established. Easy to use. The device is well made.
- Large 5 digit backlit LCD
- New competitors arrived
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